| 发明名称 |
Rock bit bearing material |
| 摘要 |
The use of a sintered compact of a copper base alloy, a transition metal, a metalloid and optionally a strengthener for bearing surfaces formed between roller cutter cones of sealed bearing rock bits. <IMAGE>
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| 申请公布号 |
GB2281078(A) |
申请公布日期 |
1995.02.22 |
| 申请号 |
GB19940016433 |
申请日期 |
1994.08.15 |
| 申请人 |
* SMITH INTERNATIONAL INC |
发明人 |
KUTTARIPALAYAM T * KEMBAIYAN |
| 分类号 |
B22F7/06;C22C1/04;(IPC1-7):C22C9/00 |
主分类号 |
B22F7/06 |
| 代理机构 |
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| 地址 |
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